*The American Yawp is an evolving, collaborative text. Please click here to improve this chapter.* I. IntroductionII. Sectionalism in the Early RepublicIII. The Crisis JoinedIV. Free Soil, Free Labor, Free MenV. From Sectional Crisis to National CrisisVI. ConclusionVII. Primary SourcesVIII. Reference Material I. Introduction Slavery’s western expansion created problems for the United States from the very start. Battles … Continue reading 13. The Sectional Crisis